threat-intel
Phishing Campaign Sends Millions of Emails Using Invisible Unicode to Evade Filters
High
Summary
A high-volume phishing campaign utilizing invisible Unicode characters to evade email filters is targeting Small Business Administration (SBA) loan applicants. The campaign, leveraging ActiveCampaign marketing automation, employs sophisticated, AI-generated websites and finance-themed sender domains to collect detailed business and financial information for future spear-phishing attacks. The campaign’s sophistication lies in its ability to mass-produce convincing, tailored websites and its use of a previously underutilized Unicode block to bypass email security controls.
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